Clumsy models stumbling around on the runway

Mark Mainz/Getty Images For Carmen Marc Val

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NEW YORK - FEBRUARY 09: A model loses her shoe as she walks the runway at the Carmen Marc Valvo Fall 2007 fashion show during Mercedes-Benz Fashion Week in the Tent at Bryant Park February 9, 2007 in New York City. (Photo by Mark Mainz/Getty Images For Carmen Marc Valvo)

NEW YORK - FEBRUARY 09: A model loses her shoe as she walks the runway at the Carmen Marc Valvo Fall 2007 fashion show during Mercedes-Benz Fashion Week in the Tent at Bryant Park February 9, 2007 in New York City. (Photo by Mark Mainz/Getty Images For Carmen Marc Valvo)